This stand six-inch (15 cm) motion range offers true ergonomic adjustment lift and tilt a laptop screen to eye-level and increase comfort and productivity. Just add an external keyboard and get the comfort of a full desktop computer system with notebook portability. Smooth one-step lift and tilt functionality promotes true ergonomic viewing. Create a productive dual-display configuration by placing your notebook screen alongside an LCD. Integrated base rollers enable 360° rotation of the stand so you can share your views with others